import router from './router'
import store from './store'
import NProgress from 'nprogress' // Progress 进度条
import 'nprogress/nprogress.css'// Progress 进度条样式
import { Message } from 'element-ui'
import { getToken } from '@/utils/auth' // 验权

function hasPermission(roles, permissionRoles) {
  if (roles.indexOf('SUPER_ADMIN') >= 0) return true // admin permission passed directly
  if (!permissionRoles) return true
  return roles.some(role => permissionRoles.indexOf(role) >= 0)
}

const whiteList = ['/login'] // 不重定向白名单

router.beforeEach((to, from, next) => {
  NProgress.start()
  console.log('router.beforeEach:')
  if (getToken()) {
    console.log('..... getToken')
    console.log(to)
    if (to.path === '/login') {
      console.log('login:')
      next({ path: '/' })
    } else {
      console.log('roles:')
      console.log(store.getters.roles.length)
      if (store.getters.roles.length === 0) {
        store.dispatch('GetInfo').then(data => { // 拉取用户信息
          const roles = data['_roles'] // data['_roles'] // note: roles must be a array! such as: ['editor','develop']
          store.dispatch('GenerateNewRoutes', { roles }).then(() => { // 根据roles权限生成可访问的路由表
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            console.log('GenerateRoutes:' + to.path)
            if (to.params && to.params.name) {
              to.meta.title = to.params.name
            }
            next({ path: to.path }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          })
        }).catch((err) => {
          console.log('router.beforeEach:')
          store.dispatch('FedLogOut').then(() => {
            Message.error(err || '验证失败,请重新登录')
            next({ path: '/' })
          })
        })
      } else {
        if (hasPermission(store.getters.roles, to.meta.roles)) {
          console.log('hasPermission')
          if (to.params && to.params.name) {
            to.meta.title = to.params.name
          }
          next()
        } else {
          next({ path: '/403', replace: true, query: { noGoBack: true }})
        }
      }
    }
  } else {
    console.log('..... getToken2')
    console.log(to)
    console.log(to.path)
    if (whiteList.indexOf(to.path) !== -1) {
      next()
    } else {
      next('/login')
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done() // 结束Progress
})
